PT-2026-30992 · Wikiworks+1 · Mediawiki Cargo Extension

Somerandomdeveloper + 1 · Published 2026-04-07 · Updated 2026-04-07 · CVE-2026-39839

NVD

CVSS v4.0

6.3

Medium

AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Fix

XSS

Weakness Enumeration

CWE-80

Related Identifiers

CVE-2026-39839

Affected Products

Mediawiki Cargo Extension

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-39839 · Security Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237957 · Note
• https://phabricator.wikimedia.org/T416271 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237977 · Note